Home Assistant: list device properties of every device

get_ha_device_properties.j2

{#
  List device properties of every device
  
  Run on the Home Assistant developer tools template page:
    http://homeassistant.local:8123/config/developer-tools/template
  
  Device property list:
    https://developers.home-assistant.io/docs/device_registry_index/#device-properties
#}

{# set query scope (remove the brackets to query all devices) #}
{% set domain = states["light"] %}

{%
  set device_props = [
    "area_id",
    "config_entries",
    "configuration_url",
    "connections",
    "default_manufacturer",
    "default_model",
    "default_name",
    "entry_type",
    "hw_version",
    "id",
    "identifiers",
    "name",
    "name_by_user",
    "manufacturer",
    "model",
    "model_id",
    "serial_number",
    "sw_version",
    "via_device",
  ]
%}
{%
  for device_id in (
    set(
      domain
      | map(attribute='entity_id')
      | map('device_id')
      | reject('none')
    )
    | map('device_attr','id')
    | list
  )
-%}
{%
  set device_name = (
    device_attr(device_id, "name_by_user")
    | default(device_attr(device_id, "name"), true)
    | default("None", true)
  )
%}
{% set separator = '-' * (device_name | length) %}
{{separator}}
{{device_name}}
{{separator}}
{%- for j in device_props -%}
{% if device_attr(device_id, j) is not none %}
  {{ j }}: {{ device_attr(device_id, j) }}
{%- endif -%}
{% endfor -%}
{% endfor -%}